I missed a section

Also fix some pedantic whitespace in HBL-USM because it
bothers me when translating

_pages/en_US/homebrew-launcher-(pichaxx).txt

@@ -51,6 +51,7 @@ In this section, you will copy some of the files that will be used to launch the
 #### Section II - PicHaxx
 
 In this section, you will create a hacked Pokémon Picross save file that, when used, will load the Homebrew Launcher on your device.
+
 1. Open [the PicHaxx Injector website](https://3ds.nhnarwhal.com/3dstools/pichaxx.php) on your computer
 1. Select your `movable.sed` file
 1. Select "Build and Download"

_pages/en_US/installing-boot9strap-(kartdlphax).txt

@@ -14,7 +14,7 @@ title: "Installing boot9strap (kartdlphax)"
 </details>
 {: .notice--info}
 
-### Compatibility notes
+### Compatibility Notes
 
 In order to follow these instructions, you will need the following:
 
@@ -70,6 +70,8 @@ In this section, you will copy the files needed to trigger the unSAFE_MODE explo
 
 #### Section III - kartdlphax
 
+In this section, you will use Download Play to transfer the exploit data from the source 3DS to the target 3DS, which can be used to overwrite your Wi-Fi slots with hacked data. Your Wi-Fi connection settings will be temporarily overwitten while the exploit is active.
+
 1. Power on the **source 3DS**
   - If you are prompted to set up Luma3DS, just press START to save the configuration
 1. Once in the HOME Menu, press (Left Shoulder) + (Down D-Pad) + (Select) to bring up the Rosalina menu